Planning application
LB/26/02796
Flat 8, 89 Onslow Square, London, SW7 3LT
Proposal
Strip out entire property for a full refurbishment to include blocking up one entrance into the sitting room, supply and fit new kitchen and appliances, plumb in 2x new bathrooms, supply and fit new radiators where necessary, re-decorate entire property; supply and lay wooden floor in hallway with acoustic insulation.
As published by the council, reference LB/26/02796
Timeline
Dates from the published record
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26 May 2026
Received by Kensington and Chelsea
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30 Jul 2026
Decision issued: Grant Planning Permission/Consent
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1 Aug 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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LB/25/06350 Granted
4 Sumner Place, London, SW7 3EE
Internal alterations comprising the replacement of modern bathroom fittings and sanitary ware with upgraded traditional designs; reinstatement of missing cornices, skirtings, and a historic half-landing door opening; removal of modern joinery and boxing; application of wallpaper using reversible methods; replacement of lighting fittings using existing positions and reinstatement of a pendant light; and general refurbishment with period-appropriate finishes
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LB/25/05977 Granted
4 Sumner Place, London, SW7 3EE
Replacement of consented kitchen with upgraded units - no change to layout - in keeping with character of property. Re-instatement of gas connection behind skirting. Installation of extractor fan without ducting, and two additional electric sockets.
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PP/25/05426 Granted
Basement To First Floor Flat, 75 Onslow Square, London, SW7 3LS
Replacement of windows and doors with slimline glazing to front, side and rear elevations to match existing. New traditional sash windows and doors to rear terrace. Internal alterations at lower ground, ground and first floor levels. Replacement of non-original internal doors. Removal of non-original finish to floors and stairs. New paving to rear garden and terrace.
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LB/25/05427 Granted
Basement To First Floor Flat, 75 Onslow Square, London, SW7 3LS
Replacement of windows and doors with slimline glazing to front, side and rear elevations to match existing. New traditional sash windows and doors to rear terrace. Internal alterations at lower ground, ground and first floor levels. Replacement of non-original internal doors. Removal of non-original finish to floors and stairs. New paving to rear garden and terrace.
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PP/25/06076 Granted
23 Sumner Place, London, SW7 3EG
Provision of condenser unit within acoustic enclosure at rear lower ground floor lightwell; replacement of 1x window with 1x timber French doors on the rear elevation at lower ground floor level; replacement of 1x casement window with 1x timber sash window at rear closet wing; provision of two extract vents behind air bricks at rear elevation; and internal alterations to improve layout with restoration of historic detailing
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LB/25/06077 Granted
23 Sumner Place, London, SW7 3EG
Provision of condenser unit within acoustic enclosure at rear lower ground floor lightwell; replacement of 1x window with 1x timber French doors on the rear elevation at lower ground floor level; replacement of 1x casement window with 1x timber sash window at rear closet wing; provision of two extract vents behind air bricks at rear elevation; and internal alterations to improve layout with restoration of historic detailing
Other heritage and listed buildings applications
In Kensington and Chelsea
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LB/26/02366 Withdrawn
10 Palace Gate, London, W8 5NF
Replacement of exsiting defective internal rainwater downpipe.(Retrospective Application)
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LB/26/02248 Withdrawn
41 Halsey Street, London, SW3 2PT
Refinements to lower ground floor conservatory and basement extension through removal of low external wall, installation of full height sliding doors, and reinstatement of larger external steps. Replace glazed flat roof at ground floor level with glass-box extension incorporating solid floor structure and internal walk on rooflight. Installation of glazed sliding doors out to a Juliet balcony with metal railings balustrade. Create access from living room by lowering sill of window to form archway; Single-storey extension to closet wing, aligning depth with No.?40 Halsey Street. New timber-framed glazed doors to the rear of extended wing. Widening opening to half-level study within partition to accommodate new double doors. Sunroom will include full-height sliding doors and Juliet balcony with painted or PPC metal balustrades.
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LB/25/05122 Granted
Flat 58, Lincoln House, Basil Street, London, SW3 1AW
Replacement of windows to match existing at 5th floor rear elevation
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LB/26/02461 Granted
11 Whitehead's Grove, London, SW3 3HB
Internal and external works including: full redecoration; replacement kitchen units and rearrangement; new lighting and full electrical rewiring with new consumer unit; replacement radiators and heated towel rails; new sanitaryware in first floor and second floor bathrooms including new vanity unit with Carrara marble top; bespoke joinery including bookshelves, wardrobes and jib doors to bedrooms and hallway; reduction of doorway to sitting room with new door; new fireplace surround to master bedroom; sanding and refinishing of timber floors; new floor tiles to kitchen and bathrooms; new carpet to stairwell and landings; installation of washer/dryer to second floor landing cupboard. External works including rehanging of kitchen stable door to open outwards; installation of secondary glazing; replacement of second floor dormer window to match original design; repointing of brickwork; repainting/varnishing of front door.
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LB/26/02519 Granted
8 Lansdowne Road, London, W11 3LW
Underpinning works to strengthen boundary wall associated with planning application ref. PP/25/03706 and Listed Building Consent ref. LB/25/03707